toc_levels.html in kramdown-2.2.1

- old
+ new

@@ -1,5 +1,5 @@
-<ul id="markdown-toc" role="doc-toc">
+<ul id="markdown-toc">
   <li><a href="#header--level-2" id="markdown-toc-header--level-2">Header \` level 2</a>    <ul>
       <li><a href="#header-level-3" id="markdown-toc-header-level-3">Header level 3</a></li>
     </ul>
   </li>
   <li><a href="#other-header-level-2" id="markdown-toc-other-header-level-2">Other header level 2</a>    <ul>